david plouffe. Good morning, george. President obama looked pretty happy when he walked on stage to give president clinton a hug. What did he say to the president? He made a terrific speech, i think. A very powerful case for the kind of economy we're trying to build in this country that's centered on the middle-class. I think there's very few people in the country with enough credibility to make that case, as he did. So, we've got a first couple of great nights here in charlotte. And I think we're doing a lot of good for the president's campaign. President clinton raised the bar for president obama tonight. Well, we're telling a story here. The first lady's speech was very impactful. Spoke from the heart. I think president clinton laid out powerfully the president's record. And the president tonight is going to talk about his record, but the path in front of the country. Much more specific from the president in what he wants to do in a second term? I don't want to get ahead of the president's speech. But I think folks, after watching the president's speech tonight, will have a very clear sense of where he wants to g economically, and the path we need to take. And now, you have two parties, as president clinton laid out so well last night, with very divergent views for the right path of the country. But president clinton said that president obama has been committed to cooperation with republicans. Even if the president wins, the cast of characters is going to be pretty much the same. That bob woodward book points out that the white house wasn't fully repaired and didn't quite know how to work with the republicans. I think what a lot of people wonder is, how is it going to be different the next time? I'd step back and say, we've worked with the republicans in congress when they're willing. We've cut taxes for the middle-class. We cut over a trillion dollars in spending. We helped entrepreneurs do things like that. We've worked with them on important things. Big change of plans tonight. The president was supposed to be speaking in that stadium. He's going to be in this hall instead. The republicans are not buying this is about the weather. The chairman of the republican committee said the president must have trouble filling the seats. That is preposterous. We were going to have a sold-out crowd and probably people in an overflow room. But the weather is what it is. Isn't that predictable? North carolina in august? Sure. We knew it was a possibility when we made the convention here and planned to do a speech outside. I think people are less interested in where he's going to give the speech than what he's going to say. I think you're having a pretty good week. But it seems like nothing can break the tie in this race. Are you ready to predict a real bounce coming out of north carolina? This is a very tight race. We've always believed that there's very little elasticity in the election. I don't think you should expect a big bounce. I think this is a race where we've got a small but important lead in some battleground states. It's going to be very, very close all the way out. But I think the republicans had an opportunity last week to lay out to the american people what they would do for the middle-class. Our sense is they missed the mark. We think we're doing a lot of progress this week. But you're not going to see big bounces in this election. For the next 61 days, it will remain as tight as a tip. David plouffe, thanks very much. Thanks, george.

This transcript has been automatically generated and may not be 100% accurate.

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